Merge branch 'draft-1.4-R16' into issue-71-fix

Author: esilvia

README.md

@@ -25,3 +25,4 @@ New to LAS? New to GitHub? Want to help? No problem!
 Learn how to sign up and contribute [here](https://github.com/ASPRSorg/LAS/wiki/Get-Involved).
 
 [![Build Status](https://api.travis-ci.org/ASPRSorg/LAS.svg?branch=master)](https://travis-ci.org/ASPRSorg/LAS)
+

source/01_intro.txt

@@ -118,6 +118,10 @@ Summary of LAS 1.4 revisions (GitHub Issue numbers included when applicable):
     (`I-101 <https://github.com/ASPRSorg/LAS/issues/101>`_)
   * Added Official LAS Wiki section.
     (`I-101 <https://github.com/ASPRSorg/LAS/issues/71>`_)
+  * Clarified source of min/max XYZ and ExtraByte values.
+    (`I-89 <https://github.com/ASPRSorg/LAS/issues/89>`_)
+  * More closely aligned data types with C99 definitions.
+    (`I-115 <https://github.com/ASPRSorg/LAS/issues/115>`_)
 
 For detailed information on changes in revisions R14 and newer, review the
 inline differencing provided on the `GitHub page <https://github.com/ASPRSorg/LAS>`_.
@@ -156,7 +160,7 @@ Conformance
 ................................................................................
 
 The data types used in the LAS format definition are conformant to the 1999
-ANSI C Language Specification (ANSI/ISO/IEC 9899:1999 ("C99").
+ANSI C Language Specification (ANSI/ISO/IEC 9899:1999 ("C99")).
 
 
 Authority

source/02.03_datatypes.sub

@@ -3,19 +3,22 @@ Data Types
 
 The following data types are used in the LAS format definition. Note that these
 data types are conformant to the 1999 ANSI C Language Specification
-(ANSI/ISO/IEC 9899:1999 ("C99")).
-
-* char (1 byte)
-* unsigned char (1 byte)
-* short (2 bytes)
-* unsigned short (2 bytes)
-* long (4 bytes)
-* unsigned long (4 bytes)
-* long long (8 bytes)
-* unsigned long long (8 bytes)
-* float (4 byte IEEE floating point format)
-* double (8 byte IEEE floating point format)
-* string (a variable series of 1 byte characters, ASCII encoded, null-terminated)
+(ANSI/ISO/IEC 9899:1999 ("C99")), as defined in the standard header
+``<stdint.h>``.
+
+* int8_t (1 byte)
+* uint8_t (1 byte)
+* int16_t (2 bytes)
+* uint16_t (2 bytes)
+* int32_t (4 bytes)
+* uint32_t (4 bytes)
+* int64_t (8 bytes)
+* uint64_t (8 bytes)
+* float (4-byte ``binary32`` IEEE floating point format)
+* double (8-byte ``binary64`` IEEE floating point format)
+* string (a variable-length array of 1-byte characters, ASCII-encoded,
+  null-terminated, contained in a fixed-length ``char`` array, where ``char``
+  must be equivalent to either ``int8_t`` or ``uint8_t``)
 
 .. warning::
 

source/02.04_header.sub

@@ -5,7 +5,7 @@ Variable Length Records (VLRs)
 
 The Public Header Block can be followed by any number of Variable Length
 Records (VLRs) so long as the total size does not make the start of the Point
-Record data inaccessible by an unsigned long ("Offset to Point Data" in the
+Record data inaccessible by a uint32_t ("Offset to Point Data" in the
 Public Header Block). The number of VLRs is specified in the "Number of
 Variable Length Records" field in the Public Header Block. The Variable Length
 Records must be accessed sequentially since the size of each variable length
@@ -20,13 +20,13 @@ Record Header is 54 bytes in length.
     +----------------------------------+-------------------------+-------------+-----------+----------+
     | Item                             | Format                  | Byte Offset | Size      | Required |
     +==================================+=========================+=============+===========+==========+
-    | Reserved                         | unsigned short          | 0           | 2 bytes   |          |
+    | Reserved                         | uint16_t                | 0           | 2 bytes   |          |
     +----------------------------------+-------------------------+-------------+-----------+----------+
     | User ID                          | char[16]                | 2           | 16 bytes  | yes      |
     +----------------------------------+-------------------------+-------------+-----------+----------+
-    | Record ID                        | unsigned short          | 18          | 2 bytes   | yes      |
+    | Record ID                        | uint16_t                | 18          | 2 bytes   | yes      |
     +----------------------------------+-------------------------+-------------+-----------+----------+
-    | Record Length After Header       | unsigned short          | 20          | 2 bytes   | yes      |
+    | Record Length After Header       | uint16_t                | 20          | 2 bytes   | yes      |
     +----------------------------------+-------------------------+-------------+-----------+----------+
     | Description                      | char[32]                | 22          | 32 bytes  |          |
     +----------------------------------+-------------------------+-------------+-----------+----------+